From 2089a2ece4824f2e2b8c19e8d620790afdb438d1 Mon Sep 17 00:00:00 2001
From: Rueian <rueiancsie@gmail.com>
Date: Sat, 15 Jan 2022 11:11:04 +0800
Subject: [PATCH] refactor: len(c.cs.s) > 0 should be guaranteed

---
 internal/cmds/cmds.go | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/internal/cmds/cmds.go b/internal/cmds/cmds.go
index 5660a082..be0da3a3 100644
--- a/internal/cmds/cmds.go
+++ b/internal/cmds/cmds.go
@@ -87,24 +87,16 @@ func (c *Cacheable) CacheKey() (key, command string) {
 	if len(c.cs.s) == 2 {
 		return c.cs.s[1], c.cs.s[0]
 	}
-
 	length := 0
-	for i, v := range c.cs.s {
-		if i == 1 {
-			continue
-		}
+	for _, v := range c.cs.s[1:] { // len(c.cs.s) > 0 should be guaranteed
 		length += len(v)
 	}
 	sb := strings.Builder{}
 	sb.Grow(length)
-	for i, v := range c.cs.s {
-		if i == 1 {
-			key = v
-		} else {
-			sb.WriteString(v)
-		}
+	for _, v := range c.cs.s[1:] {
+		sb.WriteString(v)
 	}
-	return key, sb.String()
+	return c.cs.s[0], sb.String()
 }
 
 func NewCompleted(ss []string) Completed {